mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-11-30 16:18:07 +01:00
7382bd0847
Addresses #4475, where entries in the identities object do not necessarily have corresponding accounts in the vault. On password submission, this change passes known accounts to the preferencesController (responsible for nickname management), and removes unknown entries. Includes "TODO" notes for where we could log the issue to sentry or notify the user.
1271 lines
44 KiB
JavaScript
1271 lines
44 KiB
JavaScript
/**
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* @file The central metamask controller. Aggregates other controllers and exports an api.
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* @copyright Copyright (c) 2018 MetaMask
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* @license MIT
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*/
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const EventEmitter = require('events')
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const pump = require('pump')
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const Dnode = require('dnode')
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const ObservableStore = require('obs-store')
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const ComposableObservableStore = require('./lib/ComposableObservableStore')
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const asStream = require('obs-store/lib/asStream')
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const AccountTracker = require('./lib/account-tracker')
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const RpcEngine = require('json-rpc-engine')
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const debounce = require('debounce')
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const createEngineStream = require('json-rpc-middleware-stream/engineStream')
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const createFilterMiddleware = require('eth-json-rpc-filters')
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const createOriginMiddleware = require('./lib/createOriginMiddleware')
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const createLoggerMiddleware = require('./lib/createLoggerMiddleware')
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const createProviderMiddleware = require('./lib/createProviderMiddleware')
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const setupMultiplex = require('./lib/stream-utils.js').setupMultiplex
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const KeyringController = require('eth-keyring-controller')
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const NetworkController = require('./controllers/network')
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const PreferencesController = require('./controllers/preferences')
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const CurrencyController = require('./controllers/currency')
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const NoticeController = require('./notice-controller')
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const ShapeShiftController = require('./controllers/shapeshift')
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const AddressBookController = require('./controllers/address-book')
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const InfuraController = require('./controllers/infura')
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const BlacklistController = require('./controllers/blacklist')
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const RecentBlocksController = require('./controllers/recent-blocks')
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const MessageManager = require('./lib/message-manager')
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const PersonalMessageManager = require('./lib/personal-message-manager')
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const TypedMessageManager = require('./lib/typed-message-manager')
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const TransactionController = require('./controllers/transactions')
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const BalancesController = require('./controllers/computed-balances')
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const TokenRatesController = require('./controllers/token-rates')
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const ConfigManager = require('./lib/config-manager')
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const nodeify = require('./lib/nodeify')
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const accountImporter = require('./account-import-strategies')
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const getBuyEthUrl = require('./lib/buy-eth-url')
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const Mutex = require('await-semaphore').Mutex
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const version = require('../manifest.json').version
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const BN = require('ethereumjs-util').BN
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const GWEI_BN = new BN('1000000000')
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const percentile = require('percentile')
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const seedPhraseVerifier = require('./lib/seed-phrase-verifier')
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const cleanErrorStack = require('./lib/cleanErrorStack')
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const log = require('loglevel')
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module.exports = class MetamaskController extends EventEmitter {
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/**
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* @constructor
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* @param {Object} opts
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*/
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constructor (opts) {
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super()
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this.defaultMaxListeners = 20
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this.sendUpdate = debounce(this.privateSendUpdate.bind(this), 200)
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this.opts = opts
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const initState = opts.initState || {}
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this.recordFirstTimeInfo(initState)
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// platform-specific api
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this.platform = opts.platform
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// observable state store
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this.store = new ComposableObservableStore(initState)
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// lock to ensure only one vault created at once
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this.createVaultMutex = new Mutex()
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// network store
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this.networkController = new NetworkController(initState.NetworkController)
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// config manager
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this.configManager = new ConfigManager({
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store: this.store,
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})
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// preferences controller
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this.preferencesController = new PreferencesController({
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initState: initState.PreferencesController,
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initLangCode: opts.initLangCode,
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})
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// currency controller
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this.currencyController = new CurrencyController({
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initState: initState.CurrencyController,
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})
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this.currencyController.updateConversionRate()
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this.currencyController.scheduleConversionInterval()
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// infura controller
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this.infuraController = new InfuraController({
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initState: initState.InfuraController,
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})
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this.infuraController.scheduleInfuraNetworkCheck()
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this.blacklistController = new BlacklistController()
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this.blacklistController.scheduleUpdates()
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// rpc provider
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this.provider = this.initializeProvider()
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this.blockTracker = this.provider._blockTracker
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// token exchange rate tracker
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this.tokenRatesController = new TokenRatesController({
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preferences: this.preferencesController.store,
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})
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this.recentBlocksController = new RecentBlocksController({
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blockTracker: this.blockTracker,
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provider: this.provider,
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})
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// account tracker watches balances, nonces, and any code at their address.
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this.accountTracker = new AccountTracker({
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provider: this.provider,
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blockTracker: this.blockTracker,
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})
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// key mgmt
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this.keyringController = new KeyringController({
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initState: initState.KeyringController,
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getNetwork: this.networkController.getNetworkState.bind(this.networkController),
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encryptor: opts.encryptor || undefined,
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})
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// If only one account exists, make sure it is selected.
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this.keyringController.memStore.subscribe((state) => {
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const addresses = state.keyrings.reduce((res, keyring) => {
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return res.concat(keyring.accounts)
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}, [])
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if (addresses.length === 1) {
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const address = addresses[0]
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this.preferencesController.setSelectedAddress(address)
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}
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// ensure preferences + identities controller know about all addresses
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this.preferencesController.addAddresses(addresses)
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this.accountTracker.syncWithAddresses(addresses)
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})
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// address book controller
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this.addressBookController = new AddressBookController({
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initState: initState.AddressBookController,
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preferencesStore: this.preferencesController.store,
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})
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// tx mgmt
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this.txController = new TransactionController({
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initState: initState.TransactionController || initState.TransactionManager,
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networkStore: this.networkController.networkStore,
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preferencesStore: this.preferencesController.store,
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txHistoryLimit: 40,
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getNetwork: this.networkController.getNetworkState.bind(this),
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signTransaction: this.keyringController.signTransaction.bind(this.keyringController),
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provider: this.provider,
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blockTracker: this.blockTracker,
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getGasPrice: this.getGasPrice.bind(this),
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})
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this.txController.on('newUnapprovedTx', opts.showUnapprovedTx.bind(opts))
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// computed balances (accounting for pending transactions)
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this.balancesController = new BalancesController({
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accountTracker: this.accountTracker,
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txController: this.txController,
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blockTracker: this.blockTracker,
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})
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this.networkController.on('networkDidChange', () => {
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this.balancesController.updateAllBalances()
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})
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this.balancesController.updateAllBalances()
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// notices
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this.noticeController = new NoticeController({
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initState: initState.NoticeController,
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version,
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firstVersion: initState.firstTimeInfo.version,
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})
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this.noticeController.updateNoticesList()
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// to be uncommented when retrieving notices from a remote server.
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// this.noticeController.startPolling()
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this.shapeshiftController = new ShapeShiftController({
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initState: initState.ShapeShiftController,
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})
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this.networkController.lookupNetwork()
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this.messageManager = new MessageManager()
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this.personalMessageManager = new PersonalMessageManager()
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this.typedMessageManager = new TypedMessageManager()
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this.publicConfigStore = this.initPublicConfigStore()
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this.store.updateStructure({
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TransactionController: this.txController.store,
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KeyringController: this.keyringController.store,
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PreferencesController: this.preferencesController.store,
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AddressBookController: this.addressBookController.store,
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CurrencyController: this.currencyController.store,
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NoticeController: this.noticeController.store,
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ShapeShiftController: this.shapeshiftController.store,
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NetworkController: this.networkController.store,
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InfuraController: this.infuraController.store,
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})
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this.memStore = new ComposableObservableStore(null, {
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NetworkController: this.networkController.store,
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AccountTracker: this.accountTracker.store,
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TxController: this.txController.memStore,
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BalancesController: this.balancesController.store,
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TokenRatesController: this.tokenRatesController.store,
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MessageManager: this.messageManager.memStore,
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PersonalMessageManager: this.personalMessageManager.memStore,
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TypesMessageManager: this.typedMessageManager.memStore,
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KeyringController: this.keyringController.memStore,
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PreferencesController: this.preferencesController.store,
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RecentBlocksController: this.recentBlocksController.store,
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AddressBookController: this.addressBookController.store,
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CurrencyController: this.currencyController.store,
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NoticeController: this.noticeController.memStore,
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ShapeshiftController: this.shapeshiftController.store,
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InfuraController: this.infuraController.store,
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})
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this.memStore.subscribe(this.sendUpdate.bind(this))
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}
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/**
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* Constructor helper: initialize a provider.
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*/
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initializeProvider () {
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const providerOpts = {
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static: {
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eth_syncing: false,
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web3_clientVersion: `MetaMask/v${version}`,
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eth_sendTransaction: (payload, next, end) => {
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const origin = payload.origin
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const txParams = payload.params[0]
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nodeify(this.txController.newUnapprovedTransaction, this.txController)(txParams, { origin }, end)
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},
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},
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// account mgmt
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getAccounts: (cb) => {
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const isUnlocked = this.keyringController.memStore.getState().isUnlocked
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const result = []
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const selectedAddress = this.preferencesController.getSelectedAddress()
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// only show address if account is unlocked
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if (isUnlocked && selectedAddress) {
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result.push(selectedAddress)
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}
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cb(null, result)
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},
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// tx signing
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// old style msg signing
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processMessage: this.newUnsignedMessage.bind(this),
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// personal_sign msg signing
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processPersonalMessage: this.newUnsignedPersonalMessage.bind(this),
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processTypedMessage: this.newUnsignedTypedMessage.bind(this),
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}
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const providerProxy = this.networkController.initializeProvider(providerOpts)
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return providerProxy
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}
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/**
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* Constructor helper: initialize a public config store.
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* This store is used to make some config info available to Dapps synchronously.
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*/
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initPublicConfigStore () {
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// get init state
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const publicConfigStore = new ObservableStore()
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// memStore -> transform -> publicConfigStore
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this.on('update', (memState) => {
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this.isClientOpenAndUnlocked = memState.isUnlocked && this._isClientOpen
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const publicState = selectPublicState(memState)
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publicConfigStore.putState(publicState)
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})
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function selectPublicState (memState) {
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const result = {
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selectedAddress: memState.isUnlocked ? memState.selectedAddress : undefined,
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networkVersion: memState.network,
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}
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return result
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}
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return publicConfigStore
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}
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//=============================================================================
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// EXPOSED TO THE UI SUBSYSTEM
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//=============================================================================
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/**
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* The metamask-state of the various controllers, made available to the UI
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*
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* @returns {Object} status
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*/
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getState () {
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const wallet = this.configManager.getWallet()
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const vault = this.keyringController.store.getState().vault
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const isInitialized = (!!wallet || !!vault)
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return {
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...{ isInitialized },
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...this.memStore.getFlatState(),
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...this.configManager.getConfig(),
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...{
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lostAccounts: this.configManager.getLostAccounts(),
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seedWords: this.configManager.getSeedWords(),
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forgottenPassword: this.configManager.getPasswordForgotten(),
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},
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}
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}
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/**
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* Returns an Object containing API Callback Functions.
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* These functions are the interface for the UI.
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* The API object can be transmitted over a stream with dnode.
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*
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* @returns {Object} Object containing API functions.
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*/
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getApi () {
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const keyringController = this.keyringController
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const preferencesController = this.preferencesController
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const txController = this.txController
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const noticeController = this.noticeController
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const addressBookController = this.addressBookController
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const networkController = this.networkController
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return {
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// etc
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getState: (cb) => cb(null, this.getState()),
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setCurrentCurrency: this.setCurrentCurrency.bind(this),
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setUseBlockie: this.setUseBlockie.bind(this),
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setCurrentLocale: this.setCurrentLocale.bind(this),
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markAccountsFound: this.markAccountsFound.bind(this),
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markPasswordForgotten: this.markPasswordForgotten.bind(this),
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unMarkPasswordForgotten: this.unMarkPasswordForgotten.bind(this),
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// coinbase
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buyEth: this.buyEth.bind(this),
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// shapeshift
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createShapeShiftTx: this.createShapeShiftTx.bind(this),
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// primary HD keyring management
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addNewAccount: nodeify(this.addNewAccount, this),
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placeSeedWords: this.placeSeedWords.bind(this),
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verifySeedPhrase: nodeify(this.verifySeedPhrase, this),
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clearSeedWordCache: this.clearSeedWordCache.bind(this),
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resetAccount: nodeify(this.resetAccount, this),
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importAccountWithStrategy: nodeify(this.importAccountWithStrategy, this),
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// vault management
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submitPassword: nodeify(this.submitPassword, this),
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// network management
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setProviderType: nodeify(networkController.setProviderType, networkController),
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setCustomRpc: nodeify(this.setCustomRpc, this),
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// PreferencesController
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setSelectedAddress: nodeify(preferencesController.setSelectedAddress, preferencesController),
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addToken: nodeify(preferencesController.addToken, preferencesController),
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removeToken: nodeify(preferencesController.removeToken, preferencesController),
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setCurrentAccountTab: nodeify(preferencesController.setCurrentAccountTab, preferencesController),
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setAccountLabel: nodeify(preferencesController.setAccountLabel, preferencesController),
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setFeatureFlag: nodeify(preferencesController.setFeatureFlag, preferencesController),
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// AddressController
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setAddressBook: nodeify(addressBookController.setAddressBook, addressBookController),
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// KeyringController
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setLocked: nodeify(keyringController.setLocked, keyringController),
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createNewVaultAndKeychain: nodeify(this.createNewVaultAndKeychain, this),
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createNewVaultAndRestore: nodeify(this.createNewVaultAndRestore, this),
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addNewKeyring: nodeify(keyringController.addNewKeyring, keyringController),
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exportAccount: nodeify(keyringController.exportAccount, keyringController),
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// txController
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cancelTransaction: nodeify(txController.cancelTransaction, txController),
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updateTransaction: nodeify(txController.updateTransaction, txController),
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updateAndApproveTransaction: nodeify(txController.updateAndApproveTransaction, txController),
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retryTransaction: nodeify(this.retryTransaction, this),
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getFilteredTxList: nodeify(txController.getFilteredTxList, txController),
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// messageManager
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signMessage: nodeify(this.signMessage, this),
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cancelMessage: this.cancelMessage.bind(this),
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// personalMessageManager
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signPersonalMessage: nodeify(this.signPersonalMessage, this),
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cancelPersonalMessage: this.cancelPersonalMessage.bind(this),
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// personalMessageManager
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signTypedMessage: nodeify(this.signTypedMessage, this),
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cancelTypedMessage: this.cancelTypedMessage.bind(this),
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// notices
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checkNotices: noticeController.updateNoticesList.bind(noticeController),
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markNoticeRead: noticeController.markNoticeRead.bind(noticeController),
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}
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}
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//=============================================================================
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// VAULT / KEYRING RELATED METHODS
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//=============================================================================
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/**
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* Creates a new Vault and create a new keychain.
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*
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* A vault, or KeyringController, is a controller that contains
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* many different account strategies, currently called Keyrings.
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* Creating it new means wiping all previous keyrings.
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*
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* A keychain, or keyring, controls many accounts with a single backup and signing strategy.
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* For example, a mnemonic phrase can generate many accounts, and is a keyring.
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*
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* @param {string} password
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*
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* @returns {Object} vault
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*/
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async createNewVaultAndKeychain (password) {
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const release = await this.createVaultMutex.acquire()
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let vault
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try {
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const accounts = await this.keyringController.getAccounts()
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if (accounts.length > 0) {
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vault = await this.keyringController.fullUpdate()
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} else {
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vault = await this.keyringController.createNewVaultAndKeychain(password)
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const accounts = await this.keyringController.getAccounts()
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this.preferencesController.setAddresses(accounts)
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this.selectFirstIdentity()
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}
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release()
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} catch (err) {
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release()
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throw err
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}
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return vault
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}
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/**
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* Create a new Vault and restore an existent keyring.
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* @param {} password
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* @param {} seed
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*/
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async createNewVaultAndRestore (password, seed) {
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const release = await this.createVaultMutex.acquire()
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try {
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// clear known identities
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this.preferencesController.setAddresses([])
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// create new vault
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const vault = await this.keyringController.createNewVaultAndRestore(password, seed)
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// set new identities
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const accounts = await this.keyringController.getAccounts()
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this.preferencesController.setAddresses(accounts)
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this.selectFirstIdentity()
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release()
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return vault
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} catch (err) {
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release()
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throw err
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}
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}
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/*
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* Submits the user's password and attempts to unlock the vault.
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* Also synchronizes the preferencesController, to ensure its schema
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* is up to date with known accounts once the vault is decrypted.
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*
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* @param {string} password - The user's password
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* @returns {Promise<object>} - The keyringController update.
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*/
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async submitPassword (password) {
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await this.keyringController.submitPassword(password)
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const accounts = await this.keyringController.getAccounts()
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await this.preferencesController.syncAddresses(accounts)
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return this.keyringController.fullUpdate()
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}
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/**
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* @type Identity
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* @property {string} name - The account nickname.
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* @property {string} address - The account's ethereum address, in lower case.
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* @property {boolean} mayBeFauceting - Whether this account is currently
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* receiving funds from our automatic Ropsten faucet.
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*/
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/**
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* Sets the first address in the state to the selected address
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*/
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selectFirstIdentity () {
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const { identities } = this.preferencesController.store.getState()
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const address = Object.keys(identities)[0]
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this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
|
|
//
|
|
// Account Management
|
|
//
|
|
|
|
/**
|
|
* Adds a new account to the default (first) HD seed phrase Keyring.
|
|
*
|
|
* @returns {} keyState
|
|
*/
|
|
async addNewAccount () {
|
|
const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
const keyringController = this.keyringController
|
|
const oldAccounts = await keyringController.getAccounts()
|
|
const keyState = await keyringController.addNewAccount(primaryKeyring)
|
|
const newAccounts = await keyringController.getAccounts()
|
|
|
|
await this.verifySeedPhrase()
|
|
|
|
this.preferencesController.setAddresses(newAccounts)
|
|
newAccounts.forEach((address) => {
|
|
if (!oldAccounts.includes(address)) {
|
|
this.preferencesController.setSelectedAddress(address)
|
|
}
|
|
})
|
|
|
|
const {identities} = this.preferencesController.store.getState()
|
|
return {...keyState, identities}
|
|
}
|
|
|
|
/**
|
|
* Adds the current vault's seed words to the UI's state tree.
|
|
*
|
|
* Used when creating a first vault, to allow confirmation.
|
|
* Also used when revealing the seed words in the confirmation view.
|
|
*
|
|
* @param {Function} cb - A callback called on completion.
|
|
*/
|
|
placeSeedWords (cb) {
|
|
|
|
this.verifySeedPhrase()
|
|
.then((seedWords) => {
|
|
this.configManager.setSeedWords(seedWords)
|
|
return cb(null, seedWords)
|
|
})
|
|
.catch((err) => {
|
|
return cb(err)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Verifies the validity of the current vault's seed phrase.
|
|
*
|
|
* Validity: seed phrase restores the accounts belonging to the current vault.
|
|
*
|
|
* Called when the first account is created and on unlocking the vault.
|
|
*
|
|
* @returns {Promise<string>} Seed phrase to be confirmed by the user.
|
|
*/
|
|
async verifySeedPhrase () {
|
|
|
|
const primaryKeyring = this.keyringController.getKeyringsByType('HD Key Tree')[0]
|
|
if (!primaryKeyring) {
|
|
throw new Error('MetamaskController - No HD Key Tree found')
|
|
}
|
|
|
|
const serialized = await primaryKeyring.serialize()
|
|
const seedWords = serialized.mnemonic
|
|
|
|
const accounts = await primaryKeyring.getAccounts()
|
|
if (accounts.length < 1) {
|
|
throw new Error('MetamaskController - No accounts found')
|
|
}
|
|
|
|
try {
|
|
await seedPhraseVerifier.verifyAccounts(accounts, seedWords)
|
|
return seedWords
|
|
} catch (err) {
|
|
log.error(err.message)
|
|
throw err
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Remove the primary account seed phrase from the UI's state tree.
|
|
*
|
|
* The seed phrase remains available in the background process.
|
|
*
|
|
* @param {function} cb Callback function called with the current address.
|
|
*/
|
|
clearSeedWordCache (cb) {
|
|
this.configManager.setSeedWords(null)
|
|
cb(null, this.preferencesController.getSelectedAddress())
|
|
}
|
|
|
|
/**
|
|
* Clears the transaction history, to allow users to force-reset their nonces.
|
|
* Mostly used in development environments, when networks are restarted with
|
|
* the same network ID.
|
|
*
|
|
* @returns Promise<string> The current selected address.
|
|
*/
|
|
async resetAccount () {
|
|
const selectedAddress = this.preferencesController.getSelectedAddress()
|
|
this.txController.wipeTransactions(selectedAddress)
|
|
|
|
const networkController = this.networkController
|
|
const oldType = networkController.getProviderConfig().type
|
|
await networkController.setProviderType(oldType, true)
|
|
|
|
return selectedAddress
|
|
}
|
|
|
|
/**
|
|
* Imports an account with the specified import strategy.
|
|
* These are defined in app/scripts/account-import-strategies
|
|
* Each strategy represents a different way of serializing an Ethereum key pair.
|
|
*
|
|
* @param {string} strategy - A unique identifier for an account import strategy.
|
|
* @param {any} args - The data required by that strategy to import an account.
|
|
* @param {Function} cb - A callback function called with a state update on success.
|
|
*/
|
|
async importAccountWithStrategy (strategy, args) {
|
|
const privateKey = await accountImporter.importAccount(strategy, args)
|
|
const keyring = await this.keyringController.addNewKeyring('Simple Key Pair', [ privateKey ])
|
|
const accounts = await keyring.getAccounts()
|
|
// update accounts in preferences controller
|
|
const allAccounts = await this.keyringController.getAccounts()
|
|
this.preferencesController.setAddresses(allAccounts)
|
|
// set new account as selected
|
|
await this.preferencesController.setSelectedAddress(accounts[0])
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// Identity Management (signature operations)
|
|
|
|
// eth_sign methods:
|
|
|
|
/**
|
|
* Called when a Dapp uses the eth_sign method, to request user approval.
|
|
* eth_sign is a pure signature of arbitrary data. It is on a deprecation
|
|
* path, since this data can be a transaction, or can leak private key
|
|
* information.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_sign.
|
|
* @param {Function} cb = The callback function called with the signature.
|
|
*/
|
|
newUnsignedMessage (msgParams, cb) {
|
|
const msgId = this.messageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.messageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Signifies user intent to complete an eth_sign method.
|
|
*
|
|
* @param {Object} msgParams The params passed to eth_call.
|
|
* @returns {Promise<Object>} Full state update.
|
|
*/
|
|
signMessage (msgParams) {
|
|
log.info('MetaMaskController - signMessage')
|
|
const msgId = msgParams.metamaskId
|
|
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.messageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.messageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a message submitted via eth_sign.
|
|
*
|
|
* @param {string} msgId - The id of the message to cancel.
|
|
*/
|
|
cancelMessage (msgId, cb) {
|
|
const messageManager = this.messageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// personal_sign methods:
|
|
|
|
/**
|
|
* Called when a dapp uses the personal_sign method.
|
|
* This is identical to the Geth eth_sign method, and may eventually replace
|
|
* eth_sign.
|
|
*
|
|
* We currently define our eth_sign and personal_sign mostly for legacy Dapps.
|
|
*
|
|
* @param {Object} msgParams - The params of the message to sign & return to the Dapp.
|
|
* @param {Function} cb - The callback function called with the signature.
|
|
* Passed back to the requesting Dapp.
|
|
*/
|
|
newUnsignedPersonalMessage (msgParams, cb) {
|
|
if (!msgParams.from) {
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: from field is required.')))
|
|
}
|
|
|
|
const msgId = this.personalMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
this.personalMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Signifies a user's approval to sign a personal_sign message in queue.
|
|
* Triggers signing, and the callback function from newUnsignedPersonalMessage.
|
|
*
|
|
* @param {Object} msgParams - The params of the message to sign & return to the Dapp.
|
|
* @returns {Promise<Object>} - A full state update.
|
|
*/
|
|
signPersonalMessage (msgParams) {
|
|
log.info('MetaMaskController - signPersonalMessage')
|
|
const msgId = msgParams.metamaskId
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.personalMessageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signPersonalMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.personalMessageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a personal_sign type message.
|
|
* @param {string} msgId - The ID of the message to cancel.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
cancelPersonalMessage (msgId, cb) {
|
|
const messageManager = this.personalMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// eth_signTypedData methods
|
|
|
|
/**
|
|
* Called when a dapp uses the eth_signTypedData method, per EIP 712.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_signTypedData.
|
|
* @param {Function} cb - The callback function, called with the signature.
|
|
*/
|
|
newUnsignedTypedMessage (msgParams, cb) {
|
|
let msgId
|
|
try {
|
|
msgId = this.typedMessageManager.addUnapprovedMessage(msgParams)
|
|
this.sendUpdate()
|
|
this.opts.showUnconfirmedMessage()
|
|
} catch (e) {
|
|
return cb(e)
|
|
}
|
|
|
|
this.typedMessageManager.once(`${msgId}:finished`, (data) => {
|
|
switch (data.status) {
|
|
case 'signed':
|
|
return cb(null, data.rawSig)
|
|
case 'rejected':
|
|
return cb(cleanErrorStack(new Error('MetaMask Message Signature: User denied message signature.')))
|
|
default:
|
|
return cb(cleanErrorStack(new Error(`MetaMask Message Signature: Unknown problem: ${JSON.stringify(msgParams)}`)))
|
|
}
|
|
})
|
|
}
|
|
|
|
/**
|
|
* The method for a user approving a call to eth_signTypedData, per EIP 712.
|
|
* Triggers the callback in newUnsignedTypedMessage.
|
|
*
|
|
* @param {Object} msgParams - The params passed to eth_signTypedData.
|
|
* @returns {Object} Full state update.
|
|
*/
|
|
signTypedMessage (msgParams) {
|
|
log.info('MetaMaskController - signTypedMessage')
|
|
const msgId = msgParams.metamaskId
|
|
// sets the status op the message to 'approved'
|
|
// and removes the metamaskId for signing
|
|
return this.typedMessageManager.approveMessage(msgParams)
|
|
.then((cleanMsgParams) => {
|
|
// signs the message
|
|
return this.keyringController.signTypedMessage(cleanMsgParams)
|
|
})
|
|
.then((rawSig) => {
|
|
// tells the listener that the message has been signed
|
|
// and can be returned to the dapp
|
|
this.typedMessageManager.setMsgStatusSigned(msgId, rawSig)
|
|
return this.getState()
|
|
})
|
|
}
|
|
|
|
/**
|
|
* Used to cancel a eth_signTypedData type message.
|
|
* @param {string} msgId - The ID of the message to cancel.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
cancelTypedMessage (msgId, cb) {
|
|
const messageManager = this.typedMessageManager
|
|
messageManager.rejectMsg(msgId)
|
|
if (cb && typeof cb === 'function') {
|
|
cb(null, this.getState())
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
// MetaMask Version 3 Migration Account Restauration Methods
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldVaultAccounts (migratorOutput) {
|
|
const { serialized } = migratorOutput
|
|
return this.keyringController.restoreKeyring(serialized)
|
|
.then(() => migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* A legacy method used to record user confirmation that they understand
|
|
* that some of their accounts have been recovered but should be backed up.
|
|
*
|
|
* @deprecated
|
|
* @param {Function} cb - A callback function called with a full state update.
|
|
*/
|
|
markAccountsFound (cb) {
|
|
this.configManager.setLostAccounts([])
|
|
this.sendUpdate()
|
|
cb(null, this.getState())
|
|
}
|
|
|
|
/**
|
|
* A legacy method (probably dead code) that was used when we swapped out our
|
|
* key management library that we depended on.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* @deprecated
|
|
* @param {} migratorOutput
|
|
*/
|
|
restoreOldLostAccounts (migratorOutput) {
|
|
const { lostAccounts } = migratorOutput
|
|
if (lostAccounts) {
|
|
this.configManager.setLostAccounts(lostAccounts.map(acct => acct.address))
|
|
return this.importLostAccounts(migratorOutput)
|
|
}
|
|
return Promise.resolve(migratorOutput)
|
|
}
|
|
|
|
/**
|
|
* An account object
|
|
* @typedef Account
|
|
* @property string privateKey - The private key of the account.
|
|
*/
|
|
|
|
/**
|
|
* Probably no longer needed, related to the Version 3 migration.
|
|
* Imports a hash of accounts to private keys into the vault.
|
|
*
|
|
* Described in:
|
|
* https://medium.com/metamask/metamask-3-migration-guide-914b79533cdd
|
|
*
|
|
* Uses the array's private keys to create a new Simple Key Pair keychain
|
|
* and add it to the keyring controller.
|
|
* @deprecated
|
|
* @param {Account[]} lostAccounts -
|
|
* @returns {Keyring[]} An array of the restored keyrings.
|
|
*/
|
|
importLostAccounts ({ lostAccounts }) {
|
|
const privKeys = lostAccounts.map(acct => acct.privateKey)
|
|
return this.keyringController.restoreKeyring({
|
|
type: 'Simple Key Pair',
|
|
data: privKeys,
|
|
})
|
|
}
|
|
|
|
//=============================================================================
|
|
// END (VAULT / KEYRING RELATED METHODS)
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to try to speed up a transaction by retrying it
|
|
* with higher gas.
|
|
*
|
|
* @param {string} txId - The ID of the transaction to speed up.
|
|
* @param {Function} cb - The callback function called with a full state update.
|
|
*/
|
|
async retryTransaction (txId, cb) {
|
|
await this.txController.retryTransaction(txId)
|
|
const state = await this.getState()
|
|
return state
|
|
}
|
|
|
|
//=============================================================================
|
|
// PASSWORD MANAGEMENT
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Allows a user to begin the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
markPasswordForgotten(cb) {
|
|
this.configManager.setPasswordForgotten(true)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
/**
|
|
* Allows a user to end the seed phrase recovery process.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
unMarkPasswordForgotten(cb) {
|
|
this.configManager.setPasswordForgotten(false)
|
|
this.sendUpdate()
|
|
cb()
|
|
}
|
|
|
|
//=============================================================================
|
|
// SETUP
|
|
//=============================================================================
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to an untrusted context
|
|
* like a Dapp or other extension.
|
|
* @param {*} connectionStream - The Duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the stream, which
|
|
* may trigger a blacklist reload.
|
|
*/
|
|
setupUntrustedCommunication (connectionStream, originDomain) {
|
|
// Check if new connection is blacklisted
|
|
if (this.blacklistController.checkForPhishing(originDomain)) {
|
|
log.debug('MetaMask - sending phishing warning for', originDomain)
|
|
this.sendPhishingWarning(connectionStream, originDomain)
|
|
return
|
|
}
|
|
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
this.setupPublicConfig(mux.createStream('publicConfig'))
|
|
}
|
|
|
|
/**
|
|
* Used to create a multiplexed stream for connecting to a trusted context,
|
|
* like our own user interfaces, which have the provider APIs, but also
|
|
* receive the exported API from this controller, which includes trusted
|
|
* functions, like the ability to approve transactions or sign messages.
|
|
*
|
|
* @param {*} connectionStream - The duplex stream to connect to.
|
|
* @param {string} originDomain - The domain requesting the connection,
|
|
* used in logging and error reporting.
|
|
*/
|
|
setupTrustedCommunication (connectionStream, originDomain) {
|
|
// setup multiplexing
|
|
const mux = setupMultiplex(connectionStream)
|
|
// connect features
|
|
this.setupControllerConnection(mux.createStream('controller'))
|
|
this.setupProviderConnection(mux.createStream('provider'), originDomain)
|
|
}
|
|
|
|
/**
|
|
* Called when we detect a suspicious domain. Requests the browser redirects
|
|
* to our anti-phishing page.
|
|
*
|
|
* @private
|
|
* @param {*} connectionStream - The duplex stream to the per-page script,
|
|
* for sending the reload attempt to.
|
|
* @param {string} hostname - The URL that triggered the suspicion.
|
|
*/
|
|
sendPhishingWarning (connectionStream, hostname) {
|
|
const mux = setupMultiplex(connectionStream)
|
|
const phishingStream = mux.createStream('phishing')
|
|
phishingStream.write({ hostname })
|
|
}
|
|
|
|
/**
|
|
* A method for providing our API over a stream using Dnode.
|
|
* @param {*} outStream - The stream to provide our API over.
|
|
*/
|
|
setupControllerConnection (outStream) {
|
|
const api = this.getApi()
|
|
const dnode = Dnode(api)
|
|
pump(
|
|
outStream,
|
|
dnode,
|
|
outStream,
|
|
(err) => {
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
dnode.on('remote', (remote) => {
|
|
// push updates to popup
|
|
const sendUpdate = remote.sendUpdate.bind(remote)
|
|
this.on('update', sendUpdate)
|
|
})
|
|
}
|
|
|
|
/**
|
|
* A method for serving our ethereum provider over a given stream.
|
|
* @param {*} outStream - The stream to provide over.
|
|
* @param {string} origin - The URI of the requesting resource.
|
|
*/
|
|
setupProviderConnection (outStream, origin) {
|
|
// setup json rpc engine stack
|
|
const engine = new RpcEngine()
|
|
|
|
// create filter polyfill middleware
|
|
const filterMiddleware = createFilterMiddleware({
|
|
provider: this.provider,
|
|
blockTracker: this.provider._blockTracker,
|
|
})
|
|
|
|
engine.push(createOriginMiddleware({ origin }))
|
|
engine.push(createLoggerMiddleware({ origin }))
|
|
engine.push(filterMiddleware)
|
|
engine.push(createProviderMiddleware({ provider: this.provider }))
|
|
|
|
// setup connection
|
|
const providerStream = createEngineStream({ engine })
|
|
pump(
|
|
outStream,
|
|
providerStream,
|
|
outStream,
|
|
(err) => {
|
|
// cleanup filter polyfill middleware
|
|
filterMiddleware.destroy()
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for providing our public config info over a stream.
|
|
* This includes info we like to be synchronous if possible, like
|
|
* the current selected account, and network ID.
|
|
*
|
|
* Since synchronous methods have been deprecated in web3,
|
|
* this is a good candidate for deprecation.
|
|
*
|
|
* @param {*} outStream - The stream to provide public config over.
|
|
*/
|
|
setupPublicConfig (outStream) {
|
|
pump(
|
|
asStream(this.publicConfigStore),
|
|
outStream,
|
|
(err) => {
|
|
if (err) log.error(err)
|
|
}
|
|
)
|
|
}
|
|
|
|
/**
|
|
* A method for emitting the full MetaMask state to all registered listeners.
|
|
* @private
|
|
*/
|
|
privateSendUpdate () {
|
|
this.emit('update', this.getState())
|
|
}
|
|
|
|
/**
|
|
* A method for estimating a good gas price at recent prices.
|
|
* Returns the lowest price that would have been included in
|
|
* 50% of recent blocks.
|
|
*
|
|
* @returns {string} A hex representation of the suggested wei gas price.
|
|
*/
|
|
getGasPrice () {
|
|
const { recentBlocksController } = this
|
|
const { recentBlocks } = recentBlocksController.store.getState()
|
|
|
|
// Return 1 gwei if no blocks have been observed:
|
|
if (recentBlocks.length === 0) {
|
|
return '0x' + GWEI_BN.toString(16)
|
|
}
|
|
|
|
const lowestPrices = recentBlocks.map((block) => {
|
|
if (!block.gasPrices || block.gasPrices.length < 1) {
|
|
return GWEI_BN
|
|
}
|
|
return block.gasPrices
|
|
.map(hexPrefix => hexPrefix.substr(2))
|
|
.map(hex => new BN(hex, 16))
|
|
.sort((a, b) => {
|
|
return a.gt(b) ? 1 : -1
|
|
})[0]
|
|
})
|
|
.map(number => number.div(GWEI_BN).toNumber())
|
|
|
|
const percentileNum = percentile(50, lowestPrices)
|
|
const percentileNumBn = new BN(percentileNum)
|
|
return '0x' + percentileNumBn.mul(GWEI_BN).toString(16)
|
|
}
|
|
|
|
//=============================================================================
|
|
// CONFIG
|
|
//=============================================================================
|
|
|
|
// Log blocks
|
|
|
|
/**
|
|
* A method for setting the user's preferred display currency.
|
|
* @param {string} currencyCode - The code of the preferred currency.
|
|
* @param {Function} cb - A callback function returning currency info.
|
|
*/
|
|
setCurrentCurrency (currencyCode, cb) {
|
|
try {
|
|
this.currencyController.setCurrentCurrency(currencyCode)
|
|
this.currencyController.updateConversionRate()
|
|
const data = {
|
|
conversionRate: this.currencyController.getConversionRate(),
|
|
currentCurrency: this.currencyController.getCurrentCurrency(),
|
|
conversionDate: this.currencyController.getConversionDate(),
|
|
}
|
|
cb(null, data)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for forwarding the user to the easiest way to obtain ether,
|
|
* or the network "gas" currency, for the current selected network.
|
|
*
|
|
* @param {string} address - The address to fund.
|
|
* @param {string} amount - The amount of ether desired, as a base 10 string.
|
|
*/
|
|
buyEth (address, amount) {
|
|
if (!amount) amount = '5'
|
|
const network = this.networkController.getNetworkState()
|
|
const url = getBuyEthUrl({ network, address, amount })
|
|
if (url) this.platform.openWindow({ url })
|
|
}
|
|
|
|
/**
|
|
* A method for triggering a shapeshift currency transfer.
|
|
* @param {string} depositAddress - The address to deposit to.
|
|
* @property {string} depositType - An abbreviation of the type of crypto currency to be deposited.
|
|
*/
|
|
createShapeShiftTx (depositAddress, depositType) {
|
|
this.shapeshiftController.createShapeShiftTx(depositAddress, depositType)
|
|
}
|
|
|
|
// network
|
|
|
|
/**
|
|
* A method for selecting a custom URL for an ethereum RPC provider.
|
|
* @param {string} rpcTarget - A URL for a valid Ethereum RPC API.
|
|
* @returns {Promise<String>} - The RPC Target URL confirmed.
|
|
*/
|
|
async setCustomRpc (rpcTarget) {
|
|
this.networkController.setRpcTarget(rpcTarget)
|
|
await this.preferencesController.updateFrequentRpcList(rpcTarget)
|
|
return rpcTarget
|
|
}
|
|
|
|
/**
|
|
* Sets whether or not to use the blockie identicon format.
|
|
* @param {boolean} val - True for bockie, false for jazzicon.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setUseBlockie (val, cb) {
|
|
try {
|
|
this.preferencesController.setUseBlockie(val)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for setting a user's current locale, affecting the language rendered.
|
|
* @param {string} key - Locale identifier.
|
|
* @param {Function} cb - A callback function called when complete.
|
|
*/
|
|
setCurrentLocale (key, cb) {
|
|
try {
|
|
this.preferencesController.setCurrentLocale(key)
|
|
cb(null)
|
|
} catch (err) {
|
|
cb(err)
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for initializing storage the first time.
|
|
* @param {Object} initState - The default state to initialize with.
|
|
* @private
|
|
*/
|
|
recordFirstTimeInfo (initState) {
|
|
if (!('firstTimeInfo' in initState)) {
|
|
initState.firstTimeInfo = {
|
|
version,
|
|
date: Date.now(),
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* A method for recording whether the MetaMask user interface is open or not.
|
|
* @private
|
|
* @param {boolean} open
|
|
*/
|
|
set isClientOpen (open) {
|
|
this._isClientOpen = open
|
|
this.isClientOpenAndUnlocked = this.getState().isUnlocked && open
|
|
}
|
|
|
|
/**
|
|
* A method for activating the retrieval of price data, which should only be fetched when the UI is visible.
|
|
* @private
|
|
* @param {boolean} active - True if price data should be getting fetched.
|
|
*/
|
|
set isClientOpenAndUnlocked (active) {
|
|
this.tokenRatesController.isActive = active
|
|
}
|
|
}
|